Trail Running calendar near Marlborough 2025-2026

The 7 Swans a Swimming is part of the organiser’s 12 Days of Christmas race series and takes place on 13th December 2025 at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). The course is offroad and runs entirely within the manor grounds; the organiser describes it as very tough,..

Mince Pi Run - races of 2 decimal places is a 14 December 2025 off-road event at Shalford Park, Guildford. Participants choose from 3.14 to 31.4 miles (1–10 laps) on a scenic, mostly flat course with one or two hills. A Pi marathon option and a 1-mile Pi-shaped fun run for young children are offered..

The Salcey Forest Christmas 10K, 5K & Junior Fun Run is a festive trail running event held in Salcey Forest, Northamptonshire. Set amidst beautiful, tree-lined woodland paths, the race offers a virtually flat, mixed-terrain course that can be occasionally muddy. Participants can choose between a 10K..

Mortimer Forest Trail Race is a multi-terrain event staged by Ludlow Runners in Moor Park School, Ludlow, on 14 December 2025. The programme offers two courses: a 10-mile route over challenging forest tracks including the notorious Big Dippers and a climb to the top of High Vinnalls, finishing with..

The 8 Maids a Milking is scheduled for 14th December 2025 at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). The event is part of a 12 Days of Christmas race series. The course is off-road and runs within the grounds of Pengethley Manor. Each lap measures 2.5 km and includes a hi..

The 12 Drummers Drumming Run is part of a 12 Days of Christmas race series and takes place on 18 December 2025. The event is held at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). The course is offroad and stays within the manor grounds. Each lap measures 2.5 km and the route in..

The Christmas Carol Bobble Hat Run, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This inclusive event welcomes runners and walkers of all abilities. Participants can choose their distance within a 7-hour time challenge, with a minimum of 3km and..

The Slow and Dirty is a festive-themed 19-kilometer trail race held in Sturminster Newton, Dorset, following a flat, hard-surfaced route along a former railway line known as the Somerset and Dorset (S & D). Despite its name, the course is fast and clean, ideal for runners of all abilities, including..

Santa Claws 10km is a winter cross-country event organized by Racing Line Running, held at Renegade Brewery in the grounds of the Yattendon Estate, Berkshire. The course is a multi-terrain 10km, with a Canicross 10km option for runners with dogs. It delivers a scenic, muddy yet beautiful route throu..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

Midwinter Mortimer Trail (MMT) is a self-navigating endurance event by Andali Events in the English Marches. It offers two routes: a roughly 30-mile Ultra and a 15-mile Croft course, tracing the Mortimer Trail from Ludlow Castle to Kington, Herefordshire. The route blends trail, field and road throu..

Winter X is a mid-winter trail-running challenge set in the Meon Valley near Meonstoke, Hampshire. On Sunday 28 December 2025, runners can choose from four distances: 10km, 30km, 50km, or 70km. The route uses well-trodden public trails, including the South Downs Way, with four out-and-back legs acro..

Plain Crazy (Winter) is a run of 12.5 ish miles held on 28 December 2025. The course is described as hilly, cold, scenic, desolate and windy, and it may have snow. The event supports The Royal British Legion Poppy Appeal. A GPX file for the route is provided. Prizes are awarded to the first three m..

Circuit Running Events Ltd stages the RIVER THAMES RUN on 31 December 2025 at Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA. The event is a six-hour timed challenge on a flat, multi-terrain, out-and-back route along the River Thames. Maximum entrants are 100 and the event is licensed..

Knacker Cracker is a 10-kilometre trail race held near Box Hill in Surrey. Parking and registration take place at Denbies Vineyard in Dorking, with the race starting at the bottom of Box Hill and finishing at Box Hill Fort at the summit. The course is described as Britain’s toughest 10k, featuring r..

Circuit Running Events Ltd stages the Rhino Run at Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA. The event is a six-hour timed challenge on an out-and-back tarmac path that follows the river and an old railway line. The course runs on a public footpath with no navigation required. An..

G3 no.1 is a trail running event in the G3 Series held at Newlands Corner, Drove Road, Guildford, Surrey GU4 8SE. Runners can choose between 10km and 15km distances, with the start line and event car park located at Newlands Corner. The event offers bundled options for multi-race participation: 3 x..

Dark Skies Surrey Hills is a night-time trail running event at Denbies Wine Estate in Dorking, set in the Surrey Hills. It offers a night-time 10-mile, 10K and 5K races, plus Canix events and 1K/2K kids’ races for 3–11 year-olds. The undulating, muddy courses wind through woodlands beneath the stars..

North Downs Way Ultra Run is a 30-mile guided trail from St Martha’s Hill, Guildford, Surrey, along and back along the North Downs Way, including the famous Box Hill. Organised by Running Adventures, the event is designed as an approachable introduction to ultra running, with the route cared for by..

Country to Capital is a point-to-point ultra marathon of 43 miles from Wendover to the Little Venice area of London, finishing at the Stowe Centre near Paddington and Royal Oak tube stations. The race is part of a Grand Slam series of four ultra marathons and is listed as an Ultra-Trail du Mont-Bla..